{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "RNA", "DNA", "cell line"], "input": "Activation of the IL-6 promoter by LTB4 was not only associated with accumulation of the respective transcripts but resulted in synthesis of functional IL-6 protein as well."}
{"cell type": [], "protein": ["IL-6", "IL-6 protein"], "RNA": [], "DNA": ["IL-6 promoter"], "cell line": []}